[PATCH] sched: add parentheses to if clause

[Weiguo Li]

Add parentheses to 'if' clause, otherwise will enlarged the
chance of error return.

Fixes: 44c730b0e37971 ("sched: add PIE based congestion management")

Signed-off-by: Weiguo Li <liw...@foxmail.com>
---
 lib/sched/rte_pie.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/sched/rte_pie.c b/lib/sched/rte_pie.c
index cdb7bab697..51df403a25 100644
--- a/lib/sched/rte_pie.c
+++ b/lib/sched/rte_pie.c
@@ -18,10 +18,10 @@ rte_pie_rt_data_init(struct rte_pie *pie)
                /* Allocate memory to use the PIE data structure */
                pie = rte_malloc(NULL, sizeof(struct rte_pie), 0);
 
-               if (pie == NULL)
+               if (pie == NULL) {
                        RTE_LOG(ERR, SCHED, "%s: Memory allocation fails\n", 
__func__);
-
-               return -1;
+                       return -1;
+               }
        }
 
        pie->active = 0;
-- 
2.25.1